Services
Purtec is a specialist in polyurethane. We specialise in supplying customised high-grade solutions and provide a range of options. Discover how our services can meet the specific needs and requirements of your business.
Activities at a glance
Potting
Potting is one of the effective moulding technologies we have at our disposal. For example, electronics in housing is filled with polyurethane and that ensures protection against weather influences or chemicals. Low costs and high processing speeds are additional benefits. This solution is certainly suitable for production in large series. Embedding is also possible. With this method, electronics are moulded by using moulds. The product is moulded and shaped with one and the same process action.
Vacuum moulding
pecial products require special treatment. Some applications need to be cast under vacuum. Purtec has extensive experience in this area, and vacuum casting has already been used for numerous applications with great success.
For instance, it is possible to encapsulate microelectronics or high-voltage applications under vacuum. When stringent requirements are placed on electrical components, vacuum casting can provide an effective solution. Additionally, transparent casting resins can only be processed under vacuum to achieve optimal results. Purtec has the expertise and the right tools to make this happen.
Clear/ transparent moulding
There is almost certainly no other type of polyurethane that provides as many creative opportunities. LED moulding is suitable for almost any application.
We use this technology to strengthen and waterproof LED systems. By using moulding resin or polyurethane, you produce a transparent, waterproof coating over the LED application. Different levels of transparency can be used, which means we can manufacture to your requirements.
Moulded products
Polyurethane systems are extremely suitable for manufacturing products in the most wide-ranging shapes. The moulds are easy to produce in various shapes, as pressure and high temperatures do not play a role in this technology. It means start-up costs are limited, and we can provide faster processing times compared to other synthetics technologies.
Integrating threaded elements, thick-walled or large solid components into complete mechanical components is also an option.
Laser cutting & engraving
Besides moulding, we can also cut, engrave, or mark synthetic materials with our laser technology. This can be applied on different thicknesses of plastic.
These processing methods can be combined to provide a range of applications that achieve the required design.
There is a suitable production technology for every requirement. For example, potting is easy and effective to use, but you can also opt for high-end solutions or laser cutting. At Purtec, we have a wealth of expertise in raw materials that ensure we are well-placed to deal with complex applications.
Years of experience and having produced millions of moulded products make us the right partner for your specialist needs.
Potting
This is a simple method, where electronics are in a housing that is then filled. Costs are low and the processing speed can be high, an advantage particularly for products in large series.
It is possible to use standard housing. When numbers permit, it is also possible to have special injection-moulded housing made.
High-end applications
A special solution may be required in situations where extremely high requirements are imposed on electrical parts. For example, moulding under vacuum may be a solution to ensure the product has optimum protection against external influences.
Purtec has many years of experience in this area and provides high-end solutions for specific needs.
Embedding
It is also possible to cast electronics by using moulds. This technology is known as embedding. The product is moulded and shaped with one and the same process action.
The low start-up costs make this technology suitable for small series. That does not mean that the options are limited. Far from it, text and logo can be applied in relief without additional production costs.
Shape and design
Purtec provides a broad range of options. You, the client, can provide the complete design and we work with your design. Alternatively, you can opt to have our experts produce the design. Our production is in-house: quick and economical.
Materials
We have a comprehensive choice of materials available for embedding and potting. Our polyurethane systems are used most frequently, but also systems of other suppliers, such as epoxy or silicone materials. With our comprehensive options, we provide a solution for every application.
Purtec can also deal with companies that mould themselves and that are considering outsourcing their existing production. The required moulding materials are purchased by us, insofar as they are not part of our range, and everything is produced to your requirements.
Laser cutting
Besides moulding, we also provide the opportunity to cut a product to the required shape. With our laser technology, we can laser cut, engrave, or mark polyurethane in any complex shape.
This cutting method is used in various sectors, from domestic & industrial appliances to aeronautics & space.
We explain which materials and polyurethane systems we use as part of our services.
Materials
Worldwide, various synthetic materials are used to mould electrical components, the most common are polyurethane, epoxy, and silicone rubber. Materials with very different properties.
Polyurethane leads the field for standard solutions. Purtec mainly works with polyurethane for moulding. PUR can be used to achieve light, flexible, soft, or hard structures. However, when an application requires the use of different materials that is possible of course.
Suppliers
Besides our own types, we also process moulding-resin systems from Axson, Büfa, Dow Corning, Rhein Chemie, Elantas, 3M, WEVO, and we have our own raw-materials supplier in the TTS Group with ST- Products. More information is available on ST Products.
We also deal with lightfast transparent moulding resins. This creates unique opportunities for LED lighting.
Purtec Polyurethane systems
Together with our raw-material suppliers we have prepared a range of three moulding resins that are suitable for most applications. The type EH-E72 is an all-round moulding resin, often used for potting. The higher mechanical requirements that are imposed on mouldings in moulds, make the EH-E83 extremely suitable. The EH-E95 is used for mechanically demanding applications and for moulding transformers and coils.
The Purtec types EH-E72, EH-E83 and EH-E95 comply with the RoHS Directive.
If required, the moulding resins can be adjusted to specific requirements, special colours, flammability compliant with UL94V0.
Specification sheets
Delivery periods
Purtec ensures that the delivery periods are as short as possible for all services. We provide speed and reliability. Since we introduced an extremely efficient planning system, we can guarantee that everything will be completed perfectly on time more than 98% of the time. Should something occur, we keep our clients informed throughout.
Quality
During moulding and lasering products, optimum quality is of the essence for a durable result. Purtec represents quality and this will be guaranteed in all our services. Test agreements with our own suppliers also contribute to the continuously high quality of the raw materials.
Checks and records
The modern equipment we use for processing and our daily checks are the icing on the cake. They ensure that critical process parameters are measured and recorded in a record system before and after production.
More about vacuum and transparent moulding
Transparent polyurethane
There is almost certainly no other type of polyurethane that provides as many creative opportunities.
We can process transparent polyurethane in various hardnesses, whilst colouring with transparent colouring agents is also an option.
By using moulding resin or polyurethane, you produce a transparent, waterproof coating over the LED application. Different levels of transparency can be provided.
Applications
This technology is used to strengthen and waterproof LED systems. It can be used on many LED products and guarantees that outdoor LED lighting has a long life as the product is no longer sensitive to moisture.
Options for transparent moulding
As with all other polyurethanes we process, we can process these transparent systems in combination with various types of moulds. The option of using silicone moulds it the most interesting of all. It is also possible to mould thin-walled products with hard transparent systems. This creates even more possibilities for prototyping and small-series manufacturing.
Complies with the most stringent requirements
In special electrical applications where high requirements are imposed, moulding under vacuum can provide the answer. For an optimum result with transparent moulding resins, they can only be processed under vacuum. Purtec has many years of experience and has all the right knowledge and resources in house to achieve this for a range of electronic components.
Vacuum moulding resins
In principle, almost all moulding resins can be processed under vacuum. As the requirements are generally extremely high, we also use resins that have the optimum properties for the application in question. Besides polyurethane moulding resins, we also make frequent use of silicone moulding compounds.
It is possible to order moulding resins, hot melts/thermelts, and adhesives individually from ST Products, also part of the TTS Group. Read more about ST Products.
Processing
Projecten
This is how we work at Purtec
Prototypes and small series
Pouring polyurethane under vacuum makes it possible to produce thin-walled complex products. Products that are normally produced with injection moulding, can now be produced in this manner. It reduces the start-up costs, and it is possible to produce prototypes or small series.
Tooling
Depending on the component, moulds are used that are made of plastic or silicone rubber. This type of tooling is quick and economical to produce.
Design
We prepare a CAD drawing on the basis of the information from our client. This drawing is then used to make the tools with a CNC milling machine. If you are interested in these machines, at our sister company TH Technology they will be able to tell you everything you may wish to know.
For all quantities
By focusing directly on making the tooling, we keep the start-up costs low. Series of just a few to series of thousands of pieces are equally possible.
A broad range of products
Our services are suitable for a range of products. For example, we produce for the perfect finish to protect components, such as electronics, software, or displays, against external influences. We are also your port of call for other components, such as housing of electrical products.
Do you have questions or would you like to visit?
Please contact us to discuss all the options. We will be pleased to assist!
